- NED 2023 Chicago 17th International Alumni Convention
- NED 2022 Tristate 16th International Alumni Convention
- NED Centennial Celebration 2021
- NED 2020 Decade of Camaraderie
- NED 2019 PHI – 15th International Alumni Convention
- NED 2018 DC 14th International Alumni Convention
- NED 2017 Michigan 13th International Alumni Convention
- NED 2016 Houston 12th International Alumni Convention
- NED 2015 Toronto 11th International Alumni Convention
- NED 2014 Silicon Valley 10th International Alumni Convention
- NED 2013 Connecticut 9th International Alumni Convention
- NED 2012 DC 8th International Alumni Convention
- NED 2011 New Jersey 7th International Alumni Convention
- NED 2010 Chicago 6th International Alumni Convention
- NED 2009 Los Angeles 5th International Alumni Convention
- NED 2008 Connecticut 4th International Alumni Convention
- NED 2007 Silicon Valley 3rd International Alumni Convention
- NED 2006 New Jersey 2nd International Alumni Convention
- NED 2005 Houston 1st International Alumni Convention